Home / 11,065.72-16,600.56-3,668.80

Finding the Fourth Proportional to 11,065.72, 16,600.56 and 3,668.80

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Solution

The fourth proportional to 11,065.72, 16,600.56 and 3,668.80 is: 5,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.72 : 16,600.56 = 3,668.80 : x
  2. Step 2: Convert to fraction form
    11,065.72/16,600.56 = 3,668.80/x
  3. Step 3: Cross multiply
    11,065.72x = 16,600.56 × 3,668.80
  4. Step 4: Simplify right side
    11,065.72x = 60,904,134.53
  5. Step 5: Solve for x
    x = 60,904,134.53/11,065.72
  6. Step 6: Final answer
    x = 5,503.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.